Petro.
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| 企業作者: | |
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| 格式: | 雜誌 |
| 語言: | English |
| 出版: |
Denver, Colo. :
International Federation of Petroleum and Chemical Workers.
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| 版: | English ed. |
| 主題: |
| Item Description: | Description based on: Jan. 1968 Published monthly in English, Spanish, French, German, Arabic and Japanese editions; distributed to 80 countries for free. |
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| 實物描述: | v. : ill. ; 30 cm. |
| 出版頻率: | Quarterly, Jan./Feb./Mar. 1974- |